The stick works really easily. SIM Card insert, insert the stick, pull the software from the drive to the computer and there you go. From opening the package to produce Internet connection pass less than five minutes. A star deduction however, there is the fiddly SIM card slot. The card went in hakelig, and only very reluctantly back out. This is also due to my SIM card (Alice), which has a very sharp edge and a very smooth surface. I did a test basis even with an old map Telekom attempted in it went much better. But ultimately, the stick should be designed that it will work with any SIM card. For the service of 4G still deserves kudos, I contacted them for the insertion via email and receive a response the same evening.
Finally, I Müster Amazon here at least three stars deduct as the seal of the package was opened. This must actually not be.